42904343 has 4 divisors (see below), whose sum is σ = 43007160. Its totient is φ = 42801528.

The previous prime is 42904339. The next prime is 42904357. The reversal of 42904343 is 34340924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42904343 - 2² = 42904339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50780 + ... + 51617.

It is an arithmetic number, because the mean of its divisors is an integer number (10751790).

Almost surely, 2^42904343 is an apocalyptic number.

42904343 is a deficient number, since it is larger than the sum of its proper divisors (102817).

42904343 is a wasteful number, since it uses less digits than its factorization.

42904343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102816.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 42904343 is about 6550.1406855120. The cubic root of 42904343 is about 350.0798266900.

The spelling of 42904343 in words is "forty-two million, nine hundred four thousand, three hundred forty-three".